Using CC(C)(C)OC(=O)N1CCC(O)CC1, COc1cccc(CCc2ccccc2O)c1 to produce COc1cccc(CCc2ccccc2OC2CCN(C(=O)OC(C)(C)C)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.