Using O=CNc1nc(Cl)c2ncn(OCCCOCc3ccccc3)c2n1, CC[O-] to produce CCOc1nc(N)nc2c1ncn2OCCCOCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.