Using COCNC(=O)C(Cc1ccc2ccccc2c1)NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)NC(C=O)Cc1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.