Using COCCl, CC(C)(C)OC(=O)N(Cc1cccc(CCO)c1)Cc1ccccc1O to produce COCOc1ccccc1CN(Cc1cccc(CCO)c1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.