Using O=C(c1cnc(C2(Cl)CCC3(CC2)OCCO3)s1)N1CCCC1 to produce O=C(c1cnc(C2CCC3(CC2)OCCO3)s1)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.