Using C/C=C(\C(=O)OCC)P(=O)(OCC)OCC, O=Cc1cccc(Br)n1 to produce CCOC(=O)/C=C/C=C/c1cccc(Br)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.