Using COC(=O)C1(NC(=O)c2ccc(Br)c(OCCc3cccc(C)c3)c2)Cc2ccccc2C1 to produce Cc1cccc(CCOc2cc(C(=O)NC3(C(=O)O)Cc4ccccc4C3)ccc2Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.