Using Cc1cc(CCC(=O)c2scc(CC(C)C)c2C)cc(C)c1OCC(O)CN, O=C(O)CO to produce Cc1cc(CCC(=O)c2scc(CC(C)C)c2C)cc(C)c1OCC(O)CNC(=O)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.