Using CC(=O)OCC(CCn1cnc2c(Cl)nc(N)nc21)COC(C)=O to produce CC(=O)OCC(CCn1cnc2cnc(N)nc21)COC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.