Using COC(=O)CCCBr, CNC(=O)c1c(C)oc2cc(Oc3ccnc4cc(O)ccc34)ccc12 to produce CNC(=O)c1c(C)oc2cc(Oc3ccnc4cc(OCCCC(=O)O)ccc34)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.