Using COS(=O)(=O)OC, CC(C)(C)OC(=O)Nc1cccc(C(=O)c2ccccc2)c1 to produce CN(C(=O)OC(C)(C)C)c1cccc(C(=O)c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.