Using O=C(NCc1cccs1)c1cccnc1S, O=C(CCCl)c1ccccc1 to produce O=C(CCSc1ncccc1C(=O)NCc1cccs1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.