Using Fc1ccc(-c2nccnc2N2CCNCC2)cc1, CN(CC=O)C(=O)OC(C)(C)C to produce CN(CCN1CCN(c2nccnc2-c2ccc(F)cc2)CC1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.