Using c1c[nH]cn1, O=C(OCCCCl)N1Cc2cnc(NC3Cc4ccccc4C3)nc2C1 to produce O=C(OCCCn1ccnc1)N1Cc2cnc(NC3Cc4ccccc4C3)nc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.