Using O=C(Nc1cccc(C2CCNCC2)n1)Nc1ccnc2c(F)cccc12, CC(C)=O to produce CC(C)N1CCC(c2cccc(NC(=O)Nc3ccnc4c(F)cccc34)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.