Using CCn1cnc2c(Nc3ccc(NC(=O)OCc4ccccc4)cc3)nc(NCCO)nc21 to produce CCn1cnc2c(Nc3ccc(N)cc3)nc(NCCO)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.