Using CCOC(=O)Cc1csc2cc(OCc3ccc(C)nc3C)ccc12, O=C([O-])O to produce CCOC(=O)C(C)c1csc2cc(OCc3ccc(C)nc3C)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.