Using O=c1[nH]c(-c2ccccn2)nnc1-c1ccc(C(F)(F)F)cc1, C1CCOC1 to produce CCOc1nc(-c2ccccn2)nnc1-c1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.