Using O=C1CCCN1, Cc1cnc(N2CCN(C(=O)c3cnc(F)cc3C)CC2)c(C)c1 to produce Cc1cnc(N2CCN(C(=O)c3cnc(N4CCCC4=O)cc3C)CC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.