Using CC(C)(C)OC(=O)N1Cc2ccccc2Oc2ccc(Cl)cc21, C1CCOC1 to produce O=C1OC(c2ccco2)C2c3ccccc3Oc3ccc(Cl)cc3N12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.