Using O=C(Cl)c1ccncc1, Cc1cc(C)c(-c2csc(N)n2)c(C)c1 to produce Cc1cc(C)c(-c2csc(C(=O)c3ccncc3)n2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.