Using CCC1(NCc2c[nH]c3nccc(C(=O)O)c23)CCN(C(=O)OC(C)(C)C)CC1 to produce CCC1(N2Cc3c[nH]c4nccc(c34)C2=O)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.