Using CC(C)(C)OC(=O)N1CCC2(CC1)NC(Cc1ccccc1)C(=O)N2Cc1ccccc1 to produce O=C1C(Cc2ccccc2)NC2(CCNCC2)N1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.