Using CC(=O)OCCc1ccc(CCc2ccc(N3CCN(C(C)=O)CC3)cn2)s1 to produce CC(=O)N1CCN(c2ccc(CCc3ccc(CCO)s3)nc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.