Using CC(=O)OC1N=C(c2ccccc2)c2cc(Cl)ccc2-n2nc(C(N)=O)nc21 to produce COC1N=C(c2ccccc2)c2cc(Cl)ccc2-n2nc(C(N)=O)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.