Using NCC(=O)OCc1ccccc1, N=C(NCCC[C@H](NC(=O)OCc1ccccc1)C(=O)O)N[N+](=O)[O-] to produce N=C(NCCC[C@H](NC(=O)OCc1ccccc1)C(=O)NCC(=O)OCc1ccccc1)N[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.