Using Cn1cnc2c(N3CCOCC3)nc(Cl)nc21, CC(C)=O to produce Cn1c(C(C)(C)O)nc2c(N3CCOCC3)nc(Cl)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.