Using N=C(Nc1ccc2c(c1)OCCO2)c1ccc(F)cc1, CCOC(=O)C(=O)CBr to produce CCOC(=O)c1cn(-c2ccc3c(c2)OCCO3)c(-c2ccc(F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.