The Czech Republic atlas is not listing a town named Smolec.http://mapy.atlas.cz
there is a Bechyn'ska Smolec' which is North of Ceske Budejovice and/or closer to or East of Bechyne. There is also a Pisecka Smolec' which is East of the city of Pisek.
The Czech Republic's phone book is at http://phone.quick.cz
the there are two listings for the name KALCIK, KROUPA, and ZOULIK in the city of Pisek's phone book.
Most likely some family in Pisek
For ancestral information you will have to contact the Czech Republic's archive that handles the region that the village is in.www.csagsi.orgwww.cgsi.orghttp://mesta.obce.cz