Using II, COP(=O)(Oc1ccc2[nH]ncc2c1)c1ccccc1 to produce COP(=O)(Oc1ccc2[nH]nc(I)c2c1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.