Using CCCN1C(=O)N(c2ccc(N3CCN(c4ccc(OC)cc4)CC3)cc2)NC1C to produce CCCN1C(=O)N(c2ccc(N3CCN(c4ccc(O)cc4)CC3)cc2)NC1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.