Using COc1ccc(CNc2nc(Cl)nc(Cl)n2)cc1, OC1CNC1 to produce COc1ccc(CNc2nc(Cl)nc(N3CC(O)C3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.