Using O=c1c(-c2ccc(O)cc2)coc2cc3c(cc12)OCO3, CCCC(=O)OCCBr to produce CCOC(=O)C(CC)Oc1ccc(-c2coc3cc4c(cc3c2=O)OCO4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.