Using N=C(N)NN, CN1CCN(c2cc(F)c3c(=O)oc(Cc4ccc5c(c4)OCO5)nc3c2)CC1 to produce CN1CCN(c2cc(F)c3c(c2)nc(Cc2ccc4c(c2)OCO4)n2nc(N)nc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.