Using O=Cc1cn(Cc2ccc(OCc3ccccc3)cc2)nc1OCc1ccc(OCc2ccccc2)cc1, CCOC(=O)CP(=O)(OCC)OCC to produce CCOC(=O)CCc1cn(Cc2ccc(OCc3ccccc3)cc2)nc1OCc1ccc(OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.