Using COc1cccc2c1nc(C(F)F)n2-c1nc(N2CCOCC2)nc(N2CCN(C(=O)OC(C)(C)C)CC2)n1 to produce COc1cccc2c1nc(C(F)F)n2-c1nc(N2CCNCC2)nc(N2CCOCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.