Using CCOC(=O)c1c(C)n(C2CC2)c2c(OC)c(F)c(F)c(N)c2c1=O to produce COc1c(F)c(F)c(N)c2c(=O)c(C(=O)O)c(C)n(C3CC3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.