Using COC(=O)CC1CN(Cc2ccccc2)CCN1c1ccc(C)cc1[N+](=O)[O-] to produce Cc1ccc2c(c1)NC(=O)CC1CN(Cc3ccccc3)CCN21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.