Using Nc1ncc(-c2cnn(C3CCNCC3)c2)cc1-c1nc2c(F)cccc2o1, C=O to produce CN1CCC(n2cc(-c3cnc(N)c(-c4nc5c(F)cccc5o4)c3)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.