Using CCOC(=O)c1ccc2[nH]cc(C3=CCN(C)CC3)c2c1 to produce CCOC(=O)c1ccc2[nH]cc(C3CCN(C)CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.