Using CC(C)(C)OC(=O)c1ccc(CCBr)cc1, O=P1(c2ccccc2)CCNCC1 to produce CC(C)(C)OC(=O)c1ccc(CCN2CCP(=O)(c3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.