Using CCCc1c(Cl)ncnc1CNCCC(C)C, O=C(O)c1cccc(F)n1 to produce CCCc1c(Cl)ncnc1CN(CCC(C)C)C(=O)c1cccc(F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.