Using COC(=O)c1ccnc(-c2ccc(S(C)(=O)=O)cc2)c1 to produce COC(=O)C1CCNC(c2ccc(S(C)(=O)=O)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.