Using O=C1c2ccccc2C(=O)N1C1CCC(Oc2cc(N3CC4CC(C3)O4)cc3nccnc23)CC1 to produce NC1CCC(Oc2cc(N3CC4CC(C3)O4)cc3nccnc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.