Using CC(C)(C)OC(=O)N1CC(O)(C2C(=O)N(Cc3ccccc3)CC(=O)N2Cc2ccccc2)C1 to produce O=C1C(C2(O)CNC2)N(Cc2ccccc2)C(=O)CN1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.