Using COC(=O)c1ccn(-c2ccc(O)cc2O)n1, COCCOCCO to produce COCCOCCOc1ccc(-n2ccc(C(=O)OC)n2)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.