Using COC(Cn1ncc2ccc(NC(=O)Cc3ccc(Oc4ccccc4)cc3)cc21)OC to produce O=CCn1ncc2ccc(NC(=O)Cc3ccc(Oc4ccccc4)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.