Using O=Cc1c(-c2ccc(Cl)cc2)nc2ccc(Cl)cn12, CCOC(=O)CP(=O)(OCC)OCC to produce CCOC(=O)/C=C/c1c(-c2ccc(Cl)cc2)nc2ccc(Cl)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.