Using CC(C)OC(C)C, O=C(O)CCC[C@@]12CCCc3cccc(c31)NC2=O to produce COC(=O)CCC[C@@]12CCCc3cccc(c31)NC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.