Using CC(C)(C)OC(=O)Nc1ccccc1N, Cn1c(C(=O)O)cc2c1CCN(C(=O)OC(C)(C)C)C2 to produce Cn1c(C(=O)Nc2ccccc2NC(=O)OC(C)(C)C)cc2c1CCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.