Using O=C(N[C@H]1CC[C@H](C(=O)N2CCc3ccc([N+](=O)[O-])cc32)CC1)OCc1ccccc1 to produce Nc1ccc2c(c1)N(C(=O)[C@H]1CC[C@H](NC(=O)OCc3ccccc3)CC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.