Using CC(C)(C)OC(=O)NC1Cc2ccc(C(=O)NCc3ccccc3)cc2C1 to produce NC1Cc2ccc(C(=O)NCc3ccccc3)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.