Using COc1ccc(-c2c3c([o+]c4c2CCc2ccccc2-4)-c2ccccc2CC3)cc1, N to produce COc1ccc(-c2c3c(nc4c2CCc2ccccc2-4)-c2ccccc2CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.