Using O, Cc1oc(-c2ccccc2)nc1COc1cccc(C=O)c1 to produce CCOC(=O)C=Cc1cccc(OCc2nc(-c3ccccc3)oc2C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.