Using CC(C)(C)OC(=O)N1CCC(O)C1, CCOC(=O)c1cn(C2CC2)c2cc(F)c(F)cc2c1=O to produce CCOC(=O)c1cn(C2CC2)c2cc(OC3CCN(C(=O)OC(C)(C)C)C3)c(F)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.