Using COCCc1nc2c(N)nc3ccccc3c2n1CCCNC(=O)c1cc2ccccc2cn1 to produce Nc1nc2ccccc2c2c1nc(CCO)n2CCCNC(=O)c1cc2ccccc2cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.