Using CCOC(=O)C=O, CCCCc1nc(CCN)cn1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1 to produce CCCCc1nc2c(n1Cc1ccc(-c3ccccc3-c3nnn[nH]3)cc1)C(C(=O)OCC)NCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.