Using O=C(C=C(S)c1ccc(C(=O)O)cc1)Nc1ccccc1 to produce O=C(O)c1ccc(-c2cc(=O)n(-c3ccccc3)s2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.