Using CCOC(=O)C1=C(NC(=O)Oc2ccccc2)CCN(C(=O)OC(C)(C)C)C1, NN1CCCC1 to produce CC(C)(C)OC(=O)N1CCc2[nH]c(=O)n(N3CCCC3)c(=O)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.