Using C1=COCCC1, CCn1c(Br)nc2c1c(=O)n(CCCO)c(=O)n2C to produce CCn1c(Br)nc2c1c(=O)n(CCCOC1CCCCO1)c(=O)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.