Using COc1ccc2c(c1)nc(CC1CCNCC1)n2Cc1ccc(F)cc1 to produce Oc1ccc2c(c1)nc(CC1CCNCC1)n2Cc1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.