Using CCCCSc1ccc(C(=O)O)cc1, S=C=Nc1ccc(S)cc1 to produce CCCCSc1ccc(C(=O)Sc2ccc(N=C=S)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.