Using CCOC(=O)CCc1cn(Cc2ccccc2OCc2nc(-c3ccccc3)oc2C)nc1OCC to produce CCOc1nn(Cc2ccccc2OCc2nc(-c3ccccc3)oc2C)cc1CCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.