Using C=C(CN(Cc1ccccc1)Cc1ccccc1)C(=O)OC(C)(C)C, O=C(O)C1CCCC1 to produce CC(C)(C)OC(=O)C(CN(Cc1ccccc1)Cc1ccccc1)CC1(C(=O)O)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.