Using O=C=Nc1cccc(F)c1, Nc1cccc(C2=C(Nc3ccc4c(c3)CCC4)C(=O)NC2=O)c1 to produce O=C(Nc1cccc(F)c1)Nc1cccc(C2=C(Nc3ccc4c(c3)CCC4)C(=O)NC2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.