Using O=C[O-], C[C@H]1CN(C(=O)c2ccco2)c2cc(-c3ccc(S(C)(=O)=O)cc3)ccc2N1 to produce C[C@H]1CN(C(=O)c2ccco2)c2cc(-c3ccc(S(C)(=O)=O)cc3)ccc2N1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.