Using COC(=O)c1ccnc2c1c(CNCC1CCN(C(=O)OC(C)(C)C)C1)cn2C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1CCC(CNCc2c[nH]c3nccc(C(=O)O)c23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.