Using CC(C)(C)OC(=O)N1CCC(NC(=O)C(O)(c2ccccc2)C2CCCC2)CC1 to produce O=C(NC1CCNCC1)C(O)(c1ccccc1)C1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.