Using COc1cc(F)cc2nc(-c3ccnc(C)c3)[nH]c(=O)c12, COCCO to produce COCCOc1cc(OC)c2c(=O)[nH]c(-c3ccnc(C)c3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.